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双折射材料的温度修正 Birefringent Material Temperature Modification C#X|U2$ 'l2'%@E> 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: TGu`r>N51 n
*|F=fl 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline L!:} \M1- 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline D]resk ?cf9q@eAH 3.Loop over the baseline material samples and determine the number of wavelength entries !Y/$I?13Z W>036 4.Loop over each sampled wavelength entry in the baseline material C0;c'4( X2!vC!4P?L a.Modify the ordinary and extraordinary refractive index values using (2) above k_.%(ZE n\&[^Q#b| b.Apply the modified values to the non-baseline material .0;Z:x_3 5
rkIK 5.Set a description on the non-baseline material indicating the temperature change from baseline *?%DdVrO@ #:v}d+ 脚本编程及GUI例程请下载链接: D_@WB.eL HkFoyy http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs GGsDR%U 6}A1^RB+w http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 85YE6^y 7HzO_u%H1 Qc-jOl QQ:2987619807 n#,|C`2r
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